:root {
    color-scheme: dark;
    --bg: #0b0d10;
    --fg: #f5f6f7;
    --muted: #9aa1a9;
    --accent: #d4af37;
    --card: #14171a;
    --border: #23272b;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    color: var(--fg);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    padding: 24px;
}

.card {
    max-width: 480px;
    width: 100%;
    text-align: center;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 48px 32px;
}

.logo {
    display: block;
    width: 200px;
    height: 200px;
    margin: 0 auto 16px;
    border-radius: 50%;
}

.tagline {
    font-size: 14px;
    letter-spacing: 0.2em;
    color: var(--accent);
    margin-bottom: 20px;
}

h1 {
    font-size: 32px;
    margin: 0 0 12px;
}

p.subtitle {
    color: var(--muted);
    margin: 0 0 32px;
    line-height: 1.5;
}

form {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

input[type="email"] {
    flex: 1;
    padding: 12px 14px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #0f1114;
    color: var(--fg);
    font-size: 15px;
}

input[type="email"]:focus {
    outline: 2px solid var(--accent);
}

button {
    padding: 12px 20px;
    border-radius: 8px;
    border: none;
    background: var(--accent);
    color: #14171a;
    font-weight: 600;
    cursor: pointer;
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.message {
    min-height: 20px;
    font-size: 14px;
}

.message.success {
    color: #4ade80;
}

.message.error {
    color: #f87171;
}

footer {
    margin-top: 32px;
    color: var(--muted);
    font-size: 12px;
}